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प्रश्न
The diagram given below represents the result of an experiment conducted on two freshly taken shoots of a green herbaceous plant. The lower ends dip in the water.
(i) What is the aim of the experiment?
(ii) Some parts of the stem in both the shoots have been removed. Name the conducting tissue in shoot A and in shoot B, that has been removed.
(iii) What are the results of this experiment?
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उत्तर
(i) To demonstrate the role of xylem and phloem in flowering plants.
(ii) In the shoot, A phloem tissue has been removed. In shoot B central xylem tissue has been removed.
(iii) Plant A gets water and minerals and synthesizes its food and remains healthy. Plant B due to lack of xylem does not get its supply of water and minerals. The leaves are seen drooping and will dry.
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संबंधित प्रश्न
Given below is the diagrammatic representation of the transverse section of a part of a plant. Study it and answer the questions that follow:
(a) Name the part of the plant that is shown
(b) Label the parts 1 to 6
(c) Write the functions of parts 3 and 5
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Mention one distinct difference between the parts labelled A and B.
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Draw a diagram of the above root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Multiple Choice Question:
Water will be absorbed by the root hairs when:
Inner layer of root hair is made up of ______.
Plasma Membrane is ______.
Write a note on the morphological structure of the root.
Identify labels x, y, z in the given figure of root showing different regions.
They are pipe-like, consisting of a group of specialised cells. They transport substances and form two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.
